gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.adapter.network.tasks;
  22
  23 import java.io.StringReader;
  24 import java.util.Optional;
  25
  26 import javax.ws.rs.core.Response;
  27 import javax.xml.bind.JAXBContext;
  28 import javax.xml.bind.JAXBException;
  29 import javax.xml.bind.Unmarshaller;
  30
  31 import org.camunda.bpm.engine.delegate.DelegateExecution;
  32 import org.onap.so.adapters.nwrest.CreateNetworkError;
  33 import org.onap.so.adapters.nwrest.CreateNetworkRequest;
  34 import org.onap.so.adapters.nwrest.CreateNetworkResponse;
  35 import org.onap.so.adapters.nwrest.DeleteNetworkError;
  36 import org.onap.so.adapters.nwrest.DeleteNetworkRequest;
  37 import org.onap.so.adapters.nwrest.DeleteNetworkResponse;
  38 import org.onap.so.client.exception.ExceptionBuilder;
  39 import org.onap.so.client.orchestration.NetworkAdapterResources;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.stereotype.Component;
  44
  45 @Component
  46 public class NetworkAdapterRestV1 {
  47
  48         private static final Logger logger = LoggerFactory.getLogger(NetworkAdapterRestV1.class);
  49
  50         private static final String NETWORK_REQUEST = "networkAdapterRequest";
  51         private static final String NETWORK_MESSAGE = "NetworkAResponse_MESSAGE";
  52         private static final String NETWORK_SYNC_CODE = "NETWORKREST_networkAdapterStatusCode";
  53         private static final String NETWORK_SYNC_RESPONSE = "NETWORKREST_networkAdapterResponse";
  54         private static final String NETWORK_CORRELATOR = "NetworkAResponse_CORRELATOR";
  55
  56         @Autowired
  57         private ExceptionBuilder exceptionBuilder;
  58
  59         @Autowired
  60         private NetworkAdapterResources networkAdapterResources;
  61
  62         public void callNetworkAdapter (DelegateExecution execution) {
  63                 try {
  64                         Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
  65                         if (networkAdapterRequest != null) {
  66                                 Optional<Response> response = Optional.empty();
  67                                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
  68                                         CreateNetworkRequest createNetworkRequest = (CreateNetworkRequest) networkAdapterRequest;
  69                                         execution.setVariable(NETWORK_CORRELATOR, createNetworkRequest.getMessageId());
  70                                         response = networkAdapterResources.createNetworkAsync(createNetworkRequest);
  71                                 } else if (networkAdapterRequest instanceof DeleteNetworkRequest) {
  72                                         DeleteNetworkRequest deleteNetworkRequest = (DeleteNetworkRequest) networkAdapterRequest;
  73                                         execution.setVariable(NETWORK_CORRELATOR, deleteNetworkRequest.getMessageId());
  74                                         response = networkAdapterResources.deleteNetworkAsync(deleteNetworkRequest);
  75                                 }
  76                                 if(response.isPresent()) {
  77                                         String statusCode = Integer.toString(response.get().getStatus());
  78                                         String responseString = "";
  79                                         if(response.get().getEntity() != null) {
  80                                                 responseString = (String) response.get().getEntity();
  81                                         }
  82                                         execution.setVariable(NETWORK_SYNC_CODE, statusCode);
  83                                         execution.setVariable(NETWORK_SYNC_RESPONSE, responseString);
  84                                 } else {
  85                                         throw new Exception("No Ack response from Openstack Adapter");
  86                                 }
  87                         } else {
  88                                 throw new Exception("No Network Request was created. networkAdapterRequest was null.");
  89                         }
  90                 } catch (Exception ex) {
  91                         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, ex);
  92                 }
  93         }
  94
  95         public void processCallback (DelegateExecution execution) {
  96                 try {
  97                         Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
  98                         String callback = (String) execution.getVariable(NETWORK_MESSAGE);
  99                         String logCallbackMessage = "Callback from OpenstackAdapter: " + callback;
 100                         logger.debug(logCallbackMessage);
 101                         if (networkAdapterRequest != null) {
 102                                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
 103                                         if(callback.contains("createNetworkError")) {
 104                                                 CreateNetworkError createNetworkError = (CreateNetworkError) unmarshalXml(callback, CreateNetworkError.class);
 105                                                 throw new Exception(createNetworkError.getMessage());
 106                                         } else {
 107                                                 CreateNetworkResponse createNetworkResponse = (CreateNetworkResponse) unmarshalXml(callback, CreateNetworkResponse.class);
 108                                                 execution.setVariable("createNetworkResponse", createNetworkResponse);
 109                                         }
 110                                 } else if (networkAdapterRequest instanceof DeleteNetworkRequest) {
 111                                         if(callback.contains("deleteNetworkError")) {
 112                                                 DeleteNetworkError deleteNetworkError = (DeleteNetworkError) unmarshalXml(callback, DeleteNetworkError.class);
 113                                                 throw new Exception(deleteNetworkError.getMessage());
 114                                         } else {
 115                                                 DeleteNetworkResponse deleteNetworkResponse = (DeleteNetworkResponse) unmarshalXml(callback, DeleteNetworkResponse.class);
 116                                                 execution.setVariable("deleteNetworkResponse", deleteNetworkResponse);
 117                                         }
 118                                 }
 119                         }
 120                 } catch (Exception e) {
 121                         logger.error("Error in Openstack Adapter callback", e);
 122                         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, e.getMessage());
 123                 }
 124         }
 125
 126         protected <T> Object unmarshalXml(String xmlString, Class<T> resultClass) throws JAXBException {
 127                 StringReader reader = new StringReader(xmlString);
 128                 JAXBContext context = JAXBContext.newInstance(resultClass);
 129                 Unmarshaller unmarshaller = context.createUnmarshaller();
 130                 return unmarshaller.unmarshal(reader);
 131         }
 132
 133         public void handleTimeOutException (DelegateExecution execution) {
 134                 exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, "Error timed out waiting on Openstack Async-Response");
 135         }
 136
 137         public void handleSyncError (DelegateExecution execution) {
 138                 String statusCode = (String) execution.getVariable(NETWORK_SYNC_CODE);
 139                 String responseString = (String) execution.getVariable(NETWORK_SYNC_RESPONSE);
 140                 String errorMessage = "Error with Openstack Adapter Sync Request: StatusCode = " + statusCode + " Response = " + responseString;
 141                 exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, errorMessage);
 142         }
 143 }